CVE-2021-31658 — HIGH (8.1)

Vulnerability Description

TP-Link TL-SG2005, TL-SG2008, etc. 1.0.0 Build 20180529 Rel.40524 is affected by an Array index error. The interface that provides the "device description" function only judges the length of the received data, and does not filter special characters. This vulnerability will cause the application to crash, and all device configuration information will be erased.

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Tp-Link	Tl-Sg2005 Firmware	1.0.0
Tp-Link	Tl-Sg2005	-
Tp-Link	Tl-Sg2008 Firmware	1.0.0
Tp-Link	Tl-Sg2008	-

Related Weaknesses (CWE)

CWE-129

References

http://tp-link.comVendor Advisory
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-31658ExploitThird Party Advisory
http://tp-link.comVendor Advisory
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-31658ExploitThird Party Advisory

FAQ

What is CVE-2021-31658?

CVE-2021-31658 is a vulnerability with a CVSS score of 8.1 (HIGH). TP-Link TL-SG2005, TL-SG2008, etc. 1.0.0 Build 20180529 Rel.40524 is affected by an Array index error. The interface that provides the "device description" function only judges the length of the recei...

How severe is CVE-2021-31658?

CVE-2021-31658 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-31658?

Check the references section above for vendor advisories and patch information. Affected products include: Tp-Link Tl-Sg2005 Firmware, Tp-Link Tl-Sg2005, Tp-Link Tl-Sg2008 Firmware, Tp-Link Tl-Sg2008.